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Water-Induced Pyroelectricity from Nonpolar Crystals of Amino Acids


  • The authors thank Dr. Isabella Weissbuch for discussions, and express their appreciation to the Israeli Science Foundation, Yeda-Sela Center, and Beck Center for support. This research is made possible in part by the historic generosity of the Harold Perlman Family.


original image

Surface pyroelectricity: Centrosymmetric crystals of α-glycine display an anomalous quadrupole-like pyroelectric current. This observation implies the formation of water–glycine hybrid polar layers at the (010) faces of the α-glycine crystals (see picture).